RRB GROUP D Chemistry Quiz - 36

Attempt now to get your rank among 3 students!

Question 1:

The component of fuel cell are similar to-

Photochemical cell

Voltaic cell

Electrochemical cell

Animal cell

Javelle water is an aqueous solution of which of the following?

Sodium hypochlorite

Sodium chloride

Potassium chloride

Sodium hypochlorate

Which among the following is QuickSilver?

Aluminum

Mercury

Lead

Zinc

An emulsion is a colloidal solution of-

Gas in solid

Solid in liquid

Solid in solid

Liquid in liquid

Refrigerator helps in food preservation by

Killing the germs

Sealing the food with the layer of ice

Destroying viral action

Reducing the rate of biochemical reactions